Home / 500,526,534.97-751,222,041.14-347,280,208.21

Finding the Fourth Proportional to 500,526,534.97, 751,222,041.14 and 347,280,208.21

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Solution

The fourth proportional to 500,526,534.97, 751,222,041.14 and 347,280,208.21 is: 521,220,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,526,534.97 : 751,222,041.14 = 347,280,208.21 : x
  2. Step 2: Convert to fraction form
    500,526,534.97/751,222,041.14 = 347,280,208.21/x
  3. Step 3: Cross multiply
    500,526,534.97x = 751,222,041.14 × 347,280,208.21
  4. Step 4: Simplify right side
    500,526,534.97x = 260,884,546,859,040,352
  5. Step 5: Solve for x
    x = 260,884,546,859,040,352/500,526,534.97
  6. Step 6: Final answer
    x = 521,220,212.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.